’… which means, of course, that assuming we have achieved correct identification of the potion’s ingredients by Scarpin’s Revelaspell, our primary aim is not the relatively simple one of selecting antidotes to those ingredients in and of themselves, but to find that added component which will, by an almost alchemical process, transform these disparate elements —’ Ron was sitting beside Harry with his mouth half-open, doodling absently on his new copy of Advanced Potion-Making.

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It has only three major components.

My computer isn’t working properly. I just hope one of the expensive components isn’t bad.